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本文叙述了用于频率差分相移键控制(FDPSK)高速数传设备中的双重精密位同步的原理;对外同步的信号设计作了分析;给出了一个完整实用的同步方案。此外,在附录中对同步音的频率选择作了讨论。
This paper describes the principle of double precision bit synchronization in FDPSK high-speed data transmission equipment. It analyzes the signal design of external synchronization and presents a complete and practical synchronization scheme. In addition, the frequency selection of synchronized tones is discussed in the appendix.